Holidays to Illinois are popular, but that doesn't mean you can't find a good deal. Prices fluctuate throughout the year, so try to be flexible on dates if you can. If you want a cheap holiday to Illinois, try searching for dates in January, as this is when prices tend to be at their lowest. September is the most popular month to visit, and therefore the most expensive. So if you want to go to Illinois during this peak time, it’s best to book in advance.If you’re struggling to find a holiday that suits your budget, try looking for trips to Illinois by month, as this will reveal the lowest prices. Alternatively, if you have a fixed month in mind, try searching for different flying days – flights on a Wednesday, for example, will usually be cheaper than on Saturday. Just so you know, KLM often has the best flight deals, so look out for them in your holiday search results.
Holidays to Illinois
Check out what's available
'Best Flight Booking Website'
Financially with our ATOL licence
Our travel experts are here to help
For consistently delivering excellence
How to find a cheap holiday to IllinoisOur tips for bagging a bargain break to Illinois
Key facts about Illinois know before you go
United States dollar
The above prices are guidelines only and are correct at the time of publishing. Subject to availability. Family prices are based on 2 adults and 2 children under 12 sharing a room. Other travel dates are available, supplements may apply. Please use the search box or call for details. For more information please read our Pricing Terms and Conditions.